code: def test_slsl001_always_visible_slider(dash_dcc):
      app = Dash(__name__)
      app.layout = html.Div(
          [
              dcc.Slider(
                  id="slider",
                  min=0,
                  max=20,
                  step=1,
                  value=5,
                  tooltip={"always_visible": True},
              ),
              html.Div(id="out"),
          ]
      )
  
      @app.callback(
          Output("out", "children"), [Input("slider", "value")]
      )
      def update_output(value):
          return f"You have selected {value}"
  
      dash_dcc.start_server(app)
      dash_dcc.wait_for_text_to_equal("#out", "You have selected 5")
  
      slider = dash_dcc.find_element("#slider")
      dash_dcc.click_at_coord_fractions(slider, 0.5, 0.25)
      dash_dcc.wait_for_text_to_equal("#out", "You have selected 10")
      dash_dcc.click_at_coord_fractions(slider, 0.75, 0.25)
      dash_dcc.wait_for_text_to_equal("#out", "You have selected 15")
  
      assert dash_dcc.get_logs() == []
  
file_path: dash/components/dash-core-components/tests/integration/sliders/test_sliders.py
imports: from multiprocessing import Lock
  from dash import Dash, Input, Output, dcc, html
label_desc: Use image node_id 1 for calling a global function with example usage: test_slsl001_always_visible_slider(dash_dcc) and returns: str, value